updated tailwindcss to 1.0

app/ui/unsupported.js

@@ -29,7 +29,7 @@ module.exports = function(state, emit) {
       <section
         class="flex flex-col items-center justify-center text-center bg-white m-6 px-6 py-8 border border-grey-light md:border-none md:px-12 md:py-16 shadow w-full md:h-full"
       >
-        <h1 class="">${strings.header}</h1>
+        <h1 class="text-3xl font-bold">${strings.header}</h1>
         <p class="mt-4 mb-8 max-w-md leading-normal">${strings.description}</p>
         ${why}
         <a href="${url}" class="btn rounded-lg mt-8 px-8">